package com.qf.dao;

import org.apache.ibatis.annotations.Update;

/**
 * @version v1.0.0
 * @Description:
 * @author: 姜红凯
 * @date: 2022.03.23
 * @since 1.0
 */
public interface UserAMapper {

    /**
     * 账户1扣款500元
     * @return
     */
    @Update("update user set money = money-500 where id = 1")
    public int descUserA();
}
